On May 9, 2023 Black Diamond Therapeutics, Inc. (Nasdaq: BDTX), a clinical-stage precision oncology medicine company developing MasterKey therapies designed to overcome limitations of existing therapies by targeting families of oncogenic driver mutations in patients with genetically defined cancers, reported financial results for the first quarter ended March 31, 2023, and provided a corporate update (Press release, Black Diamond Therapeutics, MAY 9, 2023, View Source [SID1234631231]).
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"We are incredibly pleased with the pace of execution since the start of 2023 as we continue to advance our pipeline programs, BDTX-1535 and BDTX-4933 in addition to our newest program, BDTX-4876. Having three investigational new drug (IND) acceptances in three years is exemplary of our breadth of expertise in precision oncology drug discovery and development. We are confident that our momentum will continue to bring tremendous progress across our pipeline as we head further into this transformational year for Black Diamond," said David Epstein, Ph.D., President and Chief Executive Officer of Black Diamond Therapeutics. "2023 brings several key inflection points, including a clinical update from the dose-escalation portion of our Phase 1 trial of BDTX-1535 in patients with non-small cell lung cancer (NSCLC) and glioblastoma multiforme (GBM), the initiation of a Phase 1 clinical trial for BDTX-4933, and today’s announcement of a development candidate nomination for our fibroblast growth factor receptor (FGFR) 2/3 selective program. We remain acutely focused on bringing our next-generation precision medicines to patients in need, particularly as we work to expand the addressable patient population within the broader oncogenic mutation landscape. Our sophisticated drug design and our deep-rooted commitment to effectively targeting shared, activated conformations used by oncogenic drivers for tumor growth are all enabled by our Mutation Allostery Pharmacology (MAP) drug discovery engine and ultimately realized by our MasterKey therapies."
Recent Developments & Upcoming Milestones:
BDTX-1535:
BDTX-1535, an epidermal growth factor receptor (EGFR) MasterKey inhibitor, is being developed to treat genetically defined cancer in patients whose tumors are positive for EGFR MasterKey mutations in NSCLC, as well as in GBM. BDTX-1535 is a fourth generation EGFR inhibitor designed to be irreversible (covalent) and brain-penetrant and is unique in how it targets a family of driver and resistance mutations arising from the use of third generation EGFR inhibitors to treat EGFR-positive NSCLC.
In April 2023, Black Diamond presented two posters highlighting BDTX-1535’s preclinical development as well as the ongoing Phase 1 clinical trial at the 2023 AACR (Free AACR Whitepaper) Annual Meeting. Key highlights from the preclinical poster included an outline of the unmet need for next generation EGFR inhibitors that target classical driver mutations as well as acquired and intrinsic resistance mutations expressed in the context of EGFR driver mutations in NSCLC, and EGFR alterations expressed in GBM. Black Diamond also outlined its ongoing Phase 1, open-label, multicenter clinical trial to assess the safety, tolerability, pharmacokinetics, central nervous system (CNS) penetrance and preliminary antitumor activity of BDTX-1535 in locally advanced or metastatic NSCLC with or without CNS disease or in recurrent GBM (rGBM).
Enrollment in the Phase 1 clinical trial was initiated in 2022 and dose escalation is ongoing. Dose Expansion cohorts are expected to open in 2023. Black Diamond remains on track to provide a clinical update on BDTX-1535 in the second half of 2023.
BDTX-4933:
BDTX-4933 is designed as a brain-penetrant, oral MasterKey inhibitor of oncogenic BRAF Class I, II and III and RAS mutations, while also avoiding paradoxical activation.
In the first quarter of 2023, Black Diamond received allowance of its IND application from the U.S. Food and Drug Administration (FDA).
In April 2023, Black Diamond presented a poster at the 2023 AACR (Free AACR Whitepaper) Annual Meeting, outlining its approach to characterizing RAF, RAS and MAPK pathways in addition to the design and preclinical development of BDTX-4933. Based on preclinical data, BDTX-4933 has a potential best-in-class profile to treat cancer patients harboring oncogenic BRAF Class I, II, III and RAS mutations, with or without brain disease.
Black Diamond expects to dose its first patient in a Phase 1 clinical trial of BDTX-4933 in patients with tumors harboring all-class BRAF or RAS mutations in the second quarter of 2023.
Discovery-Stage Pipeline and MAP Drug Discovery Engine:
Today, Black Diamond announced that it selected a development candidate, BDTX-4876, for its FGFR program. BDTX-4876 is selective against MasterKey mutations and alterations in FGFR 2 and 3, while sparing FGFR 1 and 4.
Black Diamond plans to evaluate strategic alternatives for the FGFR program as it deepens focus on its two clinical stage assets.
Black Diamond continues to leverage its MAP drug discovery engine to advance its discovery-stage pipeline to bring therapies to underserved patients.
Corporate:
In March 2023, the Company promoted Fang Ni, Pharm.D., from interim Chief Financial Officer to full-time Chief Financial Officer, in addition to his role as Chief Business Officer.
Financial Highlights
Cash Position: Black Diamond ended the first quarter of 2023 with approximately $103.4 million in cash, cash equivalents, and investments compared to $122.8 million as of December 31, 2022. Net cash used in operations was $20.0 million for the first quarter of 2023 compared to $28.6 million for the first quarter of 2022.
Research and Development Expenses: Research and development (R&D) expenses were $14.8 million for the first quarter of 2023, compared to $17.8 million for the same period in 2022. The decrease in R&D expenses was primarily due to reduced clinical trial activities stemming from the discontinuation of the development of BDTX-189 to focus on advancement of the Company’s pipeline programs, BDTX-1535 and BDTX-4933.
General and Administrative Expenses: General and administrative (G&A) expenses were $6.8 million for the first quarter of 2023, compared to $7.9 million for the same period in 2022. The decrease in G&A expenses was primarily due to a decrease in legal and other professional fees.
Net Loss: Net loss for the first quarter of 2023 was $20.9 million, as compared to $25.5 million for the same period in 2022.
Financial Guidance
Black Diamond ended the first quarter of 2023 with approximately $103.4 million in cash, cash equivalents and investments, which the Company believes is sufficient to fund its anticipated operating expenses and capital expenditure requirements into the third quarter of 2024.